Animals need shelter and insulation in the Tundra. The animals here tend to have thicker and warmer feathers and fur. Many of them have larger bodies and shorter arms, legs and tails which helps them retain their heat better and prevent heat loss.
Answer:Natural selection is a central concept of evolution. The English biologist Charles Darwin and Alfred Russel Wallace, and is sometimes called the survival of the fittest.
Explanation:
I believe its A because its asking about the pattern of DNA. i hope that helps
I think the answer is C but I'm not sure what you mean by weird.